package com.lrc.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.lrc.reggie.common.R;
import com.lrc.reggie.dto.SetmealDto;
import com.lrc.reggie.retity.Category;
import com.lrc.reggie.retity.Setmeal;
import com.lrc.reggie.service.CategoryService;
import com.lrc.reggie.service.SetmealDishService;
import com.lrc.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private SetmealDishService setmealDishService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto.toString());

        setmealService.saveWithDish(setmealDto);
        return R.success("添加成功！");
    }

    /**
     * 套餐信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器
        Page<Setmeal> pageInfo = new Page<>();
        Page<SetmealDto> setmealDtoPage = new Page<>();

        // 条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        // 执行分页查询方法
        setmealService.page(pageInfo,queryWrapper);

        // 对象拷贝
        BeanUtils.copyProperties(pageInfo,setmealDtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) ->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            // 分类id
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null){
                String categoryName = category.getName();

                setmealDto.setCategoryName(categoryName);

            }
            return setmealDto;

        }).collect(Collectors.toList());

        setmealDtoPage.setRecords(list);
        return R.success(setmealDtoPage);
    }


    /**
     * 根据id查询套餐信息和菜品，在页面进行回显
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id){

        SetmealDto setmealDto = setmealService.getByIdWithDish(id);

        return R.success(setmealDto);
    }

    /**
     * 修改套餐
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){

        setmealService.updateWithDish(setmealDto);
        return R.success("修改成功！");
    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);

        return R.success("删除成功！");
    }

    /**
     * 起售，停售和批量起售，停售
     * @param status
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> updateStatus(@PathVariable Integer status, String[] ids){
        for (String id : ids) {
            Setmeal setmeal = setmealService.getById(id);
            setmeal.setStatus(status);
            setmealService.updateById(setmeal);
        }
        return R.success("售卖状态修改成功！");
    }

    /**
     * (移动端) 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        //条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        //添加条件
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,1);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        // 排序
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
